|City|Country (NOC)|Round 1|Run-off|Round 3|Round 4|Round 5|
|---|---|---|---|---|---|---|
|Athens|Greece|32||38|52|66|
|Rome|Italy|23||28|35|41|
|Cape Town|South Africa|16|62|22|20||
|Stockholm|Sweden|20||19|||
|Buenos Aires|Argentina|16|44||||

Question: how many more votes did athens receive than stockholm in round 1?
Answer: 12